{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["process characterization", "application", "machine or equipment", "material", "enabling technology", "biomedical"], "input": "Compared with the joints heat-treated in HT1 , the joints after HT2 exhibited better ductility at 650 °C resulting from the coarse primary O laths and lower volume fraction of O phase ."}
{"process characterization": [], "application": [], "machine or equipment": [], "material": ["O"], "enabling technology": [], "biomedical": []}